一道高中英语试题
问题描述：
一道高中英语试题
What the old man ( )have a great effect on him.
A does B does do C does does D do does
答
C
前一个does：What the old man does是主语从句,正装过来相当于the old man does what
后一个does：表示强调,（What the old man does）dose have a great effect on him